{"id":4307,"date":"2017-12-29T13:24:43","date_gmt":"2017-12-29T21:24:43","guid":{"rendered":"http:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4307"},"modified":"2024-04-26T10:54:11","modified_gmt":"2024-04-26T17:54:11","slug":"4307","status":"publish","type":"post","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4307","title":{"rendered":"Diaporthe pseudophoenicicola R. R. Gomes, C. Glienke &#038; Crous 2013"},"content":{"rendered":"<h5 style=\"text-align: center;\"><strong>California Pest Rating for<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong><em>Diaporthe pseudophoenicicola<\/em><\/strong><strong> R. R. Gomes, C. Glienke &amp; Crous 2013<\/strong><\/h5>\n<h5 style=\"text-align: center;\"><strong>Pest Rating: C<\/strong><\/h5>\n<hr \/>\n<p style=\"text-align: center;\">\n<h5 style=\"text-align: center;\">PEST RATING PROFILE<\/h5>\n<h5><strong>Initiating Event: <\/strong><\/h5>\n<p>On June 15, 2017, a shipment of an unknown plant, exhibiting symptoms of leaf spotting and destined to a commercial florist in Los Angeles County, was intercepted by the CDFA Dog Team in Los Angeles County.\u00a0 The shipment had originated in Kilgore, Texas.\u00a0 A sample of symptomatic leaves was submitted to the CDFA Plant Pathology Lab for disease diagnosis.\u00a0 On July 7, 2017, Suzanne Latham, CDFA plant pathologist, detected the fungal pathogen, <em>Diaporthe pseudophoenicicola<\/em>, in culture and confirmed its identity by PCR testing, as the cause for the disease.\u00a0 Later, on July 19, 2017, the same pathogen was detected in a date palm (<em>Phoenix dactylifera)<\/em> sample exhibiting decline and canker symptoms and collected from a tree located off Interstate 5 (I-5), in Orange County.\u00a0 The sample was collected by Orange County Agricultural officials and sent to the CDFA Plant Pathology Lab for diagnosis.\u00a0 Suzanne Latham detected <em>D. pseudophoenicicola<\/em> in culture and confirmed its identity by multi-locus sequencing. \u00a0Later, the identity of the pathogen was also confirmed by the USDA APHIS Mycology and Nematology Genetic Diversity and Biology Laboratory at Beltsville, Maryland (Kennedy, 2017).\u00a0 \u00a0The current status and rating of <em>D. pseudophoenicicola<\/em> in California is assessed here and a permanent rating is proposed.<\/p>\n<h5><strong>History &amp; Status:<\/strong><\/h5>\n<p><strong><u>Background:<\/u> <\/strong>\u00a0<em>Diaporthe pseudophoenicicola<\/em> is a fungal plant pathogen belonging to the order Diaporthales.\u00a0 The species was named after its morphological similarity to <em>Diaporthe<\/em> <em>phoenicicola<\/em>, which was originally isolated from dead leaves of <em>Mangifera indica<\/em> in Pakistan, however, later reported to differ morphologically from <em>D. phoenicicola <\/em>(Gomes <em>et al<\/em>., 2013).\u00a0 <em>Diaporthe pseudophoenicicola<\/em> is the sexual state of the pathogen, whereas, the asexual state belongs to the genus <em>Phomopsis<\/em>.\u00a0 Presently, <em>D. pseudophoenicicola<\/em> has only been reported from China, Iraq, and Spain (Farr &amp; Rossman, 2017; Gomes, <em>et al<\/em>., 2013).<\/p>\n<p>The asexual state of the fungal pathogen has been detected in California prior to the 2017 detection.\u00a0 In 2007, during a CDFA survey for palm wilt in Southern California, 16 detections were made of unidentified <em>Phomopsis <\/em>sp. on <em>Phoenix canariensis, P. dactylifera<\/em>, and <em>P. reclinata<\/em> in 10 counties. \u00a0\u00a0Only recently, was the <em>Phomopsis<\/em> species that was detected on<em> P. dactylifera <\/em>in Riverside County, identified through DNA sequencing as <em>P. pseudophoenicicola<\/em> (syn. <em>Diaporthe pseudophoenicicola<\/em>), thereby, indicating that this pathogen has already been established in California for at least 10 years.\u00a0 Complete identification of the remaining <em>Phomopsis<\/em> sp. is pending (<em>personal communication: Suzanne Latham, CDFA).<\/em><\/p>\n<p><strong><u>Disease Development<\/u>:\u00a0<\/strong> While specific information is lacking, it is likely that plant infection and disease development caused by <em>Diaporthe pseudophoenicicola<\/em> are similar to those caused by other species of <em>Diaporthe<\/em> occurring as plant pathogens, endophytes or saprobes.\u00a0 The fungus produces ascospores (sexual spores) in perithecia (sexual fruiting bodies) and conidia (asexual spores) in pycnidia on dead twigs and leaves.\u00a0 Conidia are the main inoculum causing primary and secondary infections and are spread to host plants by splashing rains.\u00a0 Ascospores may be involved in long distance dispersal of the pathogen.\u00a0 The fungus is likely to overwinter as mycelium and\/or as conidia within pycnidia (Agrios, 2005).<\/p>\n<p><em>Dispersal and spread:<\/em> Windblown\/splashing rain and irrigation water, pruning tools, possibly insects, and animals can spread fungal spores to non-infected plants.<\/p>\n<p><em>Hosts:<\/em> <em>Mangifera indica<\/em> (mango), <em>Phoenix dactylifera <\/em>(date palm), <em>P. canariensis<\/em> (Canary Island palm) (Farr &amp; Rossman, 2017; Gao <em>et al., <\/em>2017; Gomes <em>et al., <\/em>2013).<\/p>\n<p><em>Symptoms<\/em>: \u00a0<em>Diaporthe pseudophoenicicola<\/em> causes symptoms of dieback and canker in infected mango and date palm.\u00a0 Dead tops of green leaves have been reported for date palms (Farr &amp; Rossman, 2017; Gomes <em>et al<\/em>., 2013).<\/p>\n<p><em>Damage Potential: <\/em>Quantitative losses caused by <em>Diaporthe pseudophoenicicola<\/em> have not been reported. The pathogen causes dieback and cankers in mango and date palm.\u00a0 Therefore, if left uncontrolled, infections may result in reduced fruit and plant production and marketability.\u00a0 In California, nurseries and other growers of mango and date palms plants may be at risk of damage caused by this pathogen.<\/p>\n<p><strong><u>Worldwide Distribution<\/u>:<\/strong> <em>Asia<\/em>: China, Iraq; <em>Europe<\/em>: Spain (Farr &amp; Rossman, 2017; Gomes <em>et al.,<\/em> 2013); North America: USA (California) (<em>see<\/em>: \u201cInitiating Event\u201d).<\/p>\n<p><strong><u>Official Control<\/u>:<\/strong> No official control is reported for <em>Diaporthe pseudophoenicicola<\/em> or <em>Diaporthe<\/em> spp., however, <em>Phomopsis<\/em> spp. is presently on the \u2018Harmful Organism List\u2019 for French Polynesia (USDA PCIT, 2017).\u00a0 Currently, <em>D. pseudophoenicicola<\/em> has a temporary Q rating in California.<\/p>\n<p><strong><u>California Distribution<\/u>:<\/strong> \u00a0Los Angeles, Orange, and Riverside Counties.<\/p>\n<p><strong><u>California Interceptions<\/u>:<\/strong> There has been only one interception.\u00a0 On July 7, 2017, <em>Diaporthe pseudophoenicicola<\/em> was detected in a shipment of an unknown plant that originated in Texas (<em>see<\/em>: \u2018Initiating Event\u2019).<\/p>\n<p>The risk <em>Diaporthe pseudophoenicicola<\/em> would pose to California is evaluated below.<\/p>\n<h5><strong>Consequences of Introduction:\u00a0 <\/strong><\/h5>\n<p><strong>1) Climate\/Host Interaction: <\/strong>Mango and palm are the only known hosts and are grown in California.\u00a0 <em>Diaporthe pseudophoenicicola<\/em> may be able to infect its hosts under wet conditions and is therefore, only likely to establish in very limited regions of the State where mango and palm are grown mainly Southern California.<\/p>\n<p>Evaluate if the pest would have suitable hosts and climate to establish in California.<\/p>\n<p><strong>Score: <span style=\"color: #008000;\">1<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211; <strong>Low (1)<\/strong> Not likely to establish in California; or likely to establish in very limited areas.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; Medium (2) may be able to establish in a larger but limited part of California.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) likely to establish a widespread distribution in California.<\/p>\n<p><strong>2) Known Pest Host Range:<\/strong> The host range of the pathogen is presently limited to <em>Mangifera indica<\/em> and <em>Phoenix dactylifera<\/em>.<\/p>\n<p>Evaluate the host range of the pest.<\/p>\n<p><strong>Score:<span style=\"color: #008000;\"> 1<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211; <strong>Low (1)<\/strong> has a very limited host range.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; Medium (2) has a moderate host range.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) has a wide host range.<\/p>\n<p><strong>3) Pest Dispersal Potential: <\/strong><em>Diaporthe pseudophoenicicola<\/em> has high reproductive potential with an abundant production of spores, however, the spores are dependent on splashing water for dispersal.<\/p>\n<p>Evaluate the natural and artificial dispersal potential of the pest.<\/p>\n<p><strong>Score: <span style=\"color: #008000;\">2<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) does not have high reproductive or dispersal potential.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211; <strong>Medium (2)<\/strong> has either high reproductive or dispersal potential.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) has both high reproduction and dispersal potential.<\/p>\n<p><strong>4) Economic Impact: <\/strong>Quantitative losses caused by <em>Diaporthe pseudophoenicicola<\/em> have not been reported. Under favorable wet conditions for spread and disease development the pathogen may cause dieback and cankers in mango and palm.\u00a0 Therefore, if left uncontrolled, infections may result in reduced fruit and plant production and marketability.\u00a0 In California, nurseries and other growers of mango and date palms plants may be at risk of damage caused by this pathogen.,<\/p>\n<p>Evaluate the economic impact of the pest to California using the criteria below.<\/p>\n<p><strong>Economic Impact: <span style=\"color: #008000;\">A, B, C<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>A<\/strong>. The pest could lower crop yield.<\/span><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>B<\/strong>. The pest could lower crop value (includes increasing crop production costs).<\/span><\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>C<\/strong>. The pest could trigger the loss of markets (includes quarantines).<\/span><\/p>\n<p style=\"padding-left: 30px;\">D. The pest could negatively change normal cultural practices.<\/p>\n<p style=\"padding-left: 30px;\">E. The pest can vector, or is vectored, by another pestiferous organism.<\/p>\n<p style=\"padding-left: 30px;\">F. The organism is injurious or poisonous to agriculturally important animals.<\/p>\n<p style=\"padding-left: 30px;\">G. The organism can interfere with the delivery or supply of water for agricultural uses.<\/p>\n<p><strong>Economic Impact Score<\/strong>: <span style=\"color: #008000;\"><strong>3<\/strong><\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) causes 0 or 1 of these impacts.<\/p>\n<p style=\"padding-left: 30px;\">&#8211; Medium (2) causes 2 of these impacts.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211; <strong>High (3)<\/strong> causes 3 or more of these impacts.<\/span><\/p>\n<p><strong>5) Environmental Impact: <\/strong>\u00a0The pathogen may impact palms used as ornamental plantings in commercial and private environments.<\/p>\n<p>Evaluate the environmental impact of the pest on California using the criteria below.<\/p>\n<p><strong>Environmental Impact: <span style=\"color: #008000;\">E<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">A. The pest could have a significant environmental impact such as lowering biodiversity, disrupting natural communities, or changing ecosystem processes.<\/p>\n<p style=\"padding-left: 30px;\">B. The pest could directly affect threatened or endangered species.<\/p>\n<p style=\"padding-left: 30px;\">C. The pest could impact threatened or endangered species by disrupting critical habitats.<\/p>\n<p style=\"padding-left: 30px;\">D. The pest could trigger additional official or private treatment programs.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\"><strong>E<\/strong>. The pest significantly impacts cultural practices, home\/urban gardening or ornamental plantings.<\/span><\/p>\n<p><strong>Environmental Impact Score: <span style=\"color: #008000;\">2<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">&#8211; Low (1) causes none of the above to occur.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211; <strong>Medium (2)<\/strong> causes one of the above to occur.<\/span><\/p>\n<p style=\"padding-left: 30px;\">&#8211; High (3) causes two or more of the above to occur.<\/p>\n<h5><strong>Consequences of Introduction to California for <em>Diaporthe pseudophoenicicola:<\/em><\/strong> <span style=\"color: #008000;\"><strong>Medium (9)<\/strong><\/span><\/h5>\n<p>Add up the total score and include it here.<\/p>\n<p style=\"padding-left: 30px;\">-Low = 5-8 points<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211;<strong>Medium<\/strong> = 9-12 points<\/span><\/p>\n<p style=\"padding-left: 30px;\">-High = 13-15 points<\/p>\n<p><strong>6) Post Entry Distribution and Survey Information<\/strong>: Evaluate the known distribution in California. Only official records identified by a taxonomic expert and supported by voucher specimens deposited in natural history collections should be considered. Pest incursions that have been eradicated, are under eradication, or have been delimited with no further detections should not be included.<\/p>\n<p><strong><em>Evaluation is Low.\u00a0 <\/em><\/strong>The pathogen is already established in at least three counties in Southern California.<\/p>\n<p><strong>Score: <span style=\"color: #008000;\">(-1)<\/span><\/strong><\/p>\n<p style=\"padding-left: 30px;\">-Not established (0) Pest never detected in California, or known only from incursions.<\/p>\n<p style=\"padding-left: 30px;\"><span style=\"color: #008000;\">&#8211;<strong>Low (-1)<\/strong> Pest has a localized distribution in California, or is established in one suitable climate\/host area (region).<\/span><\/p>\n<p style=\"padding-left: 30px;\">-Medium (-2) Pest is widespread in California but not fully established in the endangered area, or pest established in two contiguous suitable climate\/host areas.<\/p>\n<p style=\"padding-left: 30px;\">-High (-3) Pest has fully established in the endangered area, or pest is reported in more than two contiguous or non-contiguous suitable climate\/host areas.<\/p>\n<h5>Final Score<\/h5>\n<p><strong>7) The final score is<\/strong> the consequences of introduction score minus the post entry distribution and survey information score: (Score)<\/p>\n<p><strong><em>Final Score: <\/em><\/strong><em>\u00a0Score of Consequences of Introduction \u2013 Score of Post Entry Distribution and Survey Information<span style=\"color: #008000;\"> <strong>= 8<\/strong><\/span><\/em><\/p>\n<h5><strong>Uncertainty: \u00a0<\/strong><\/h5>\n<p>Identification of <em>Phomopsis<\/em> sp. (asexual state of <em>Diaporthe<\/em>) detected during the 2007 CDFA survey, is pending. \u00a0Positive identification may provide new information on the distribution and hosts of <em>D. pseudophoenicicola<\/em> in California, while further stabilizing its currently proposed rating.<\/p>\n<h5><strong>Conclusion and Rating Justification: <\/strong><\/h5>\n<p>Based on the evidence provided above <strong>the proposed rating for <em>Diaporthe pseudophoenicicola<\/em> is C.<\/strong><\/p>\n<hr \/>\n<h5><strong>References:<\/strong><\/h5>\n<p><strong>A<\/strong>grios, G. N.\u00a0 2005.\u00a0 Plant Pathology Fifth Edition.\u00a0 Elsevier Academic Press.\u00a0 922 p.<\/p>\n<p><strong>F<\/strong>arr, D. F., and A. Y. Rossman.\u00a0 2017.\u00a0 Fungal Databases, U. S. National Fungus Collections, ARS, USDA. Retrieved September 20, 2017, from <a href=\"http:\/\/nt.ars-grin.gov\/fungaldatabases\/\" target=\"_blank\" rel=\"noopener\">http:\/\/nt.ars-grin.gov\/fungaldatabases\/<\/a><\/p>\n<p><strong>Gao, Y., F. Liu, W. J. Duan, P. W. Crous, and L. Cai.<\/strong> \u00a02017. \u00a0<strong><em>Diaporthe<\/em><\/strong> is paraphyletic. IMA Fungus 8(1): 153-187.<\/p>\n<p><strong>Gomes, R.R., C. Glienke, S. I. R. Videira, L. Lombard, J. Z. Groenewald, and P. W. Crous.<\/strong><strong> \u00a0<\/strong>2013.<strong> \u00a0<em>Diaporthe<\/em><\/strong>: a genus of endophytic, saprobic and plant pathogenic fungi. Persoonia 31: 1-41.<\/p>\n<p><strong>K<\/strong>ennedy, A. H.\u00a0 2017.\u00a0 Email from A. H. Kennedy, Molecular Biologist, USDA APHIS Mycology and Nematology Genetic Diversity and Biology Laboratory, Beltsville, Maryland, to Suzanne Latham, Plant Pathologist, CDFA Plant Pest Diagnostics Branch, dated September 01, 2017, 5:14 am.<\/p>\n<p><strong>U<\/strong>SDA PCIT.\u00a0 2017.\u00a0 USDA Phytosanitary Certificate Issuance &amp; Tracking System. Sept. 20, 2017, 2:11:43 pm CDT.\u00a0 <a href=\"https:\/\/pcit.aphis.usda.gov\/PExD\/faces\/ReportHarmOrgs.jsp\" target=\"_blank\" rel=\"noopener\">https:\/\/pcit.aphis.usda.gov\/PExD\/faces\/ReportHarmOrgs.jsp<\/a>.<\/p>\n<hr \/>\n<h5><strong>Responsible Party:<\/strong><\/h5>\n<p>John J. Chitambar, Primary Plant Pathologist\/Nematologist, California Department of Food and Agriculture, 3294 Meadowview Road, Sacramento, CA 95832. Phone: 916-262-1110, plant.health[@]cdfa.ca.gov.<\/p>\n<hr \/>\n<h5><span style=\"color: #ff0000;\">*NOTE:<\/span><\/h5>\n<p>You must be registered and logged in to post a comment. \u00a0If you have registered and have not received the registration confirmation, please contact us at\u00a0plant.health[@]cdfa.ca.gov.<\/p>\n<hr \/>\n<h5>Comment Format:<\/h5>\n<p>\u2666 \u00a0Comments should refer to the appropriate California Pest Rating Proposal Form subsection(s)\u00a0being commented on, as shown below.<\/p>\n<p style=\"padding-left: 30px;\"><strong>Example Comment:<br \/>\n<\/strong>Consequences of Introduction: \u00a01. Climate\/Host Interaction:\u00a0[<em>Your comment that relates to \u201cClimate\/Host Interaction\u201d here.<\/em>]<\/p>\n<p>\u2666 \u00a0Posted comments will not be able to be viewed immediately.<\/p>\n<p>\u2666 \u00a0Comments may not be posted if they:<\/p>\n<p style=\"padding-left: 30px;\">Contain inappropriate language which is not germane to\u00a0the pest rating proposal;<\/p>\n<p style=\"padding-left: 30px;\">Contains defamatory, false, inaccurate, abusive, obscene, pornographic,\u00a0sexually oriented, threatening, racially offensive, discriminatory or illegal\u00a0material;<\/p>\n<p style=\"padding-left: 30px;\">Violates agency regulations prohibiting sexual harassment or other forms\u00a0of discrimination;<\/p>\n<p style=\"padding-left: 30px;\">Violates agency regulations prohibiting workplace violence, including threats.<\/p>\n<p>\u2666 \u00a0Comments may be edited prior to posting to ensure they are entirely germane.<\/p>\n<p>\u2666 \u00a0Posted comments shall be those which have been approved in content and posted to the\u00a0website to be viewed, not just submitted.<\/p>\n<hr \/>\n<h3><strong>Pest Rating: C<\/strong><\/h3>\n<hr \/>\n<p><em>Posted by ls<\/em><\/p>\n","protected":false},"excerpt":{"rendered":"<p>California Pest Rating for Diaporthe pseudophoenicicola R. R. Gomes, C. Glienke &amp; Crous 2013 Pest Rating: C PEST RATING PROFILE Initiating Event: On June 15, 2017, a shipment of an unknown plant, exhibiting symptoms of leaf spotting and destined to a commercial florist in Los Angeles County, was intercepted by the CDFA Dog Team in &hellip; <a href=\"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=4307\" class=\"more-link\">Continue reading <span class=\"screen-reader-text\">Diaporthe pseudophoenicicola R. R. Gomes, C. Glienke &#038; Crous 2013<\/span> <span class=\"meta-nav\">&rarr;<\/span><\/a><\/p>\n","protected":false},"author":1117,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_feature_clip_id":0,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2},"jetpack_post_was_ever_published":false},"categories":[8,4],"tags":[609,156,45],"class_list":["post-4307","post","type-post","status-publish","format-standard","hentry","category-fungi","category-plant-pathology","tag-diaporthe-pseudophoenicicola","tag-fungus","tag-plant-pathogen"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"","jetpack_sharing_enabled":true,"jetpack_shortlink":"https:\/\/wp.me\/s5l8vQ-4307","jetpack-related-posts":[{"id":3285,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=3285","url_meta":{"origin":4307,"position":0},"title":"Diaporthe pseudomangiferae","author":"Admin","date":"January 31, 2017","format":false,"excerpt":"\u00a0California Pest Rating for Diaporthe pseudomangiferae R. 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If you have registered and have not received the registration confirmation, please contact us\u2026","rel":"","context":"In &quot;C-Rated&quot;","block_context":{"text":"C-Rated","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=671"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":11825,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=11825","url_meta":{"origin":4307,"position":3},"title":"Diaporthe sclerotioides (van Kesteren) Udayanga, Crous &#038; Hyde 2012 Black root rot of cucumber","author":"Heather.Martin","date":"September 19, 2023","format":false,"excerpt":"California Pest Rating for Diaporthe sclerotioides (van Kesteren) Udayanga, Crous & Hyde 2012 Black root rot of cucumberPest Rating: B download pest rating *NOTE You must be registered and logged in to post a comment. 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Shivas 2012 Pest\u00a0Rating: B PEST RATING PROFILE Initiating Event: On June 14, 2016, a shipment of silver lady fern (Blechnum gibbum) plants from Florida, destined to a nursery in Nippomo, San Luis Obispo County, was intercepted by San Luis County\u2026","rel":"","context":"In &quot;Fungi&quot;","block_context":{"text":"Fungi","link":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?cat=8"},"img":{"alt_text":"","src":"","width":0,"height":0},"classes":[]},{"id":8432,"url":"https:\/\/blogs.cdfa.ca.gov\/Section3162\/?p=8432","url_meta":{"origin":4307,"position":5},"title":"Diaporthe rudis (Fr. : Fr.) Nitschke 1870","author":"Heather.Martin","date":"May 19, 2021","format":false,"excerpt":"California Pest Rating for Diaporthe rudis (Fr. : Fr.) Nitschke 1870Pest Rating: C DOWNLOAD PEST RATING *NOTE\u00a0 You must be registered and logged in to post a comment. 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